1. Division of Gastroenterology and Hepatology; Department of Internal Medicine III; Medical University of Vienna; Vienna Austria
2. Vienna Hepatic Hemodynamic Laboratory; Medical University of Vienna; Vienna Austria
3. Krankenanstalt Rudolfstiftung; Krankenanstaltsverbund (KAV) Wien; Vienna Austria
4. Center for Medical Statistics, Informatics, and Intelligent Systems; Medical University of Vienna; Vienna Austria
5. Department of Gastroenterology/Hepatology, Endocrinology and Nephrology; Klinikum Klagenfurt am Wörthersee; Klagenfurt Austria